The Tonight Showwith Jay Leno won the late night wars again on Friday, albeit with its lowest numbers of the week, of course everyone had its lowest numbers for the week. Friday!

In Late-Night Fast Nationals Friday Night:

"The Tonight Show with Jay Leno" (1.2 rating in adults 18-49) led the time period over CBS's "Late Show with David Letterman" (0.8) and ABC's "Nightline (0.9) in fast national "live plus same day" ratings from Nielsen Media Research. The "Tonight" margin over "Late Show" in fast-national adult 18-49 rating is 50 percent.

In total viewers in the fast nationals, “The Tonight Show with Jay Leno” (4.9 million) ranked #1 among the major networks in the time period over "Late Show" (3.2 million) and "Nightline" (3.7 million). The "Tonight" margin over "Late Show" in total viewers in these fast-national results is 53 percent.

At 12:35 a.m., "Late Night with Jimmy Fallon" (0.7 in adults 18-49) topped CBS's "Late Late Show with Craig Ferguson" (0.5) in these fast nationals by a margin of 40 percent. In total viewers, "Late Night" (2.0 million viewers overall) out-delivered "Late Late Show" (1.7 million) by a margin of 17 percent.

For the week:

"The Tonight Show with Jay Leno" (1.5 rating in adults 18-49) led the time period over CBS's "Late Show with David Letterman" (1.0) and ABC's "Nightline (1.0) in fast national "live plus same day" ratings for the full week from Nielsen Media Research. The "Tonight" margin over "Late Show" in fast-national adult 18-49 rating is 50 percent.